Malicious PDF — malware analysis report

Static analysis result for SHA-256 249caa8d1ec15177…

MALICIOUS

PDF

14.8 KB Created: 2019-04-30 05:14:58 +01:00 Authoring application: mPDF 5.7
MD5: f0713137fa41dcb9d9929ce372b4cf98 SHA-1: ea66d84800f5a14f6f3da648b4b2d8172eab703b SHA-256: 249caa8d1ec151771ab7e76c51e2be617b1c489ac4043972660e7880b51399a4
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF file contains a large number of embedded links to external PDF documents, masquerading as literary works. This technique is often used to drive traffic to malicious sites or to host further malicious content. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9891

Heuristics 2

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://loaminoo.linkpc.ne
    • http://loaminoo.linkpc.net/4094099092095094/Fires-Essays-Poems-Stories-by-Raymond-Carver.pdf
    • http://loaminoo.linkpc.net/4098092094091/Ultramarine-Poems-by-Raymond-Carver.pdf
    • http://loaminoo.linkpc.net/4096098097092097/Elephant-and-Other-Stories-by-Raymond-Carver.pdf
    • http://loaminoo.linkpc.net/2091099090090/Where-I-m-Calling-From-New-and-Selected-Stories-by-Raymond-Carver.pdf
    • http://loaminoo.linkpc.net/4096092095092/Short-Cuts-Selected-Stories-by-Raymond-Carver.pdf
    • http://loaminoo.linkpc.net/4091090097095098/What-We-Talk-About-When-We-Talk-About-Love-Stories-by-Raymond-Carver.pdf
    • http://loaminoo.linkpc.net/2093097096093097/On-Doctoring-Stories-Poems-Essays-by-Richard-Reynolds.pdf
    • http://loaminoo.linkpc.net/3093096091091099/Cathedral-by-Raymond-Carver.pdf
    • http://loaminoo.linkpc.net/2091099099093/Cathedral-by-Raymond-Carver.pdf
    • http://loaminoo.linkpc.net/2097091099094093/Cathedral-by-Raymond-Carver.pdf
    • http://loaminoo.linkpc.net/2091090098099097/A-New-Path-to-the-Waterfall-by-Raymond-Carver.pdf
    • http://loaminoo.linkpc.net/1099095092098/Small-Fires-Essays-by-Julie-Marie-Wade.pdf
    • http://loaminoo.linkpc.net/1094099098098/Carver-A-Life-in-Poems-by-Marilyn-Nelson.pdf
    • http://loaminoo.linkpc.net/3099098095098099/The-Great-Fires-Poems-1982-1992-by-Jack-Gilbert.pdf
    • http://loaminoo.linkpc.net/3090099092092092/What-We-Talk-About-When-We-Talk-About-Love-by-Raymond-Carver.pdf
    • http://loaminoo.linkpc.net/2097095097094096/Critifiction-Postmodern-Essays-by-Raymond-Federman.pdf
    • http://loaminoo.linkpc.net/3091099097097098/Stories-and-Early-Novels-Pulp-Stories-The-Big-Sleep-Farewell-My-Lovely-The-High-Window-by-Raymond-Chandler.pdf
    • http://loaminoo.linkpc.net/7094095099096095/Letters-Numbers-Forms-Essays-1928-70-by-Raymond-Queneau.pdf
    • http://loaminoo.linkpc.net/1091098090099092091/Essays-on-Sunbelt-Cities-and-Recent-Urban-America-by-Raymond-A-Mohl.pdf
    • http://loaminoo.linkpc.net/5090093098098090/Love-Poems-for-Cannibals-by-Raymond-Keen.pdf

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